package com.itqf.mapper;


import com.itqf.entity.Book;

import java.util.List;

/**
 * @Description:
 * @Company: 千锋互联
 * @Author: 李丽婷
 * @Date: 2020/12/22
 * @Time: 下午3:43
 */
public interface BookMapper {

    public List<Book> findAll();


    public Book findById(int id);

}
